This is already the case at an ordinary large state school. Not 90%, but around 50% will wash out before sophomore year. It is the very good private schools whe

This is already the case at an ordinary large state school. Not 90%, but around 50% will wash out before sophomore year. It is the very good private schools where the percentage of freshmen who will go onto graduate in 4 years is in the 80s and 90s.